22347516872 has 36 divisors (see below), whose sum is σ = 44525703555. Its totient is φ = 10513095936.

The previous prime is 22347516869. The next prime is 22347516911. The reversal of 22347516872 is 27861574322.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 9938893636 + 12408623236 = 99694^2 + 111394^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=105706.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7186454 + ... + 7189562.

Almost surely, 2^22347516872 is an apocalyptic number.

It is an amenable number.

22347516872 is a deficient number, since it is larger than the sum of its proper divisors (22178186683).

22347516872 is an frugal number, since it uses more digits than its factorization.

22347516872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6258 (or 3128 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 47.

The spelling of 22347516872 in words is "twenty-two billion, three hundred forty-seven million, five hundred sixteen thousand, eight hundred seventy-two".